“RF Loss” is the topic of the latest (May 10) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone — whenever and wherever you like!
Every 2 weeks, your host, QST Editor-in-Chief Steve Ford, WB8IMY, and the Doctor himself, Joel Hallas, W1ZR, will discuss a broad range of technical topics. You can also e-mail your questions to doctor@arrl.org, and the Doctor may answer them in a future podcast.
Enjoy “ARRL The Doctor is In” on Apple iTunes, or by using your iPhone or iPad podcast app (just search for “ARRL The Doctor is In”). You can also listen online at Blubrry, or at Stitcher (free registration required, or browse the site as a guest) and through the free Stitcher app for iOS, Kindle, or Android devices. If you’ve never listened to a podcast before, download our beginner’s guide.
VHF
OM Power OM3006 50MHz 6m 3kw Linear Amplifier
OM Power The linear amplifier OM3006 is designed for 50 MHz amateur bands from 50 till 52 MHz and all modes . It is equipped with a ceramictetr... Read more
Amateur Radio Guide to Digital Mobile Radio (DMR) by W2XAB
What is DMR? Digital Mobile Radio (DMR) was developed by the European Telecommunications Standards Institute (ETSI) and is used worldwide by pr... Read more
IRN – International Radio Network
The IRN (International Radio Network) is a VoIP/RoIP system using Teamspeak 3 (TS3) that allows radio users to TX/RX using RF around the World using ... Read more
BaoFeng DM-5R Dual Band DMR Digital Radio
BaoFeng DM-5R DMR Digital Radio VHF/UHF 136-174/400-480Mhz 2000mAH High Capacity Battery High Power/Low power 21CM Dual Band Antenna 8-Level Stepped F... Read more
OH2BC installs large InnovAntennas 50MHz array
Every now and then, a really special antenna system gets installed and usually it is a result of desire, commitment and dedication of the station owne... Read more
Review
Does the ICOM IC-7610 equal two IC-7300?
Does the ICOM IC-7610 equal two IC-7300? Read more
RFinder Android Radio First Test !
RFinder – The World Wide Repeater Directory is a database of Amateur Radio repeaters worldwide. We have 60.000 repeaters in 170+ countries. We h... Read more
Yaesu Reveals the FTM-300DR Dual Band Mobile Radio
The new FTM-300DR provides stable and reliable 50W RF power output. As in recent YAESU mobile transceivers, the FTM-300DR is also equipped with a... Read more
Rugged Spot Hotspot DMR/DSTAR/Fusion Pi-Star
NexGen Hotspots “From NexGen Hotspots, the Rugged Spot, one of their top sellers – a review. The nice thing about this hotspot, over other... Read more
Equipment
Ten- Tec 507 Patriot – Open Source Arduino-based SSB/CW QRP Transceiver
The 507 Patriot utilizes a chipKIT Uno32 prototyping board which give users access to an Arduino-based programming environment. With its 32-bit... Read more
ICOM IC-PW2 HF/50MHz All Band 1kW Linear Amplifier
ICOM IC-PW2 Take your contesting experience to the next level with the latest LDMOS power device with features supporting a SO2R operation in o... Read more
Expert Electronics MB1 Prime 2021
Expert Electronics MB1 PRIME (2021 Version) The MB1 PRIME transceiver is a game-changer, it’s a transceiver and a PC in a single package. It has... Read more
Barrett 4050 HF SDR Transceiver
The Barrett 4050 HF SDR transceiver is the new centrepiece of the Barrett range of HF communications equipment. It combines Software-Defined Radio tec... Read more
Xiegu X6100 HF/50MHz Portable SDR Transceiver
Xiegu X6100 is a revolutionary self-contained 10 watt HF and 6m SDR transceiver with a large color display, automatic antenna tuner and a built-in hig... Read more
New UT-133A Bluetooth Unit for Icom Mobile Radios
The current Icom UT-133 Bluetooth unit is being replaced with a new version that is compatible with not only the ID-5100E and IC-2730E Amateur Radio m... Read more
App - Mobile
Hamradio Line Loss Calculator for iOS devices
Coax Line from Federico Romano, IW2MVI is a simple and fast app that allow you to calculate the loss of your coax line and calculate power output from... Read more
CWSpeed IOS App – The fun and efficient way of learning morse code
Description The fun and efficient way of learning morse code! Features: – Uses Koch’s training method (the most efficient known to date)... Read more
Pocket Radio Android App ( TX and RX )
This is an Android application used to remotely control several HAM radio – any CAT enabled transceiver over Bluetooth, USB/Serial or with secu... Read more
US Amateur Radio Band Plan for Android
US Amateur Radio Band Plan A clean native app that’s sole purpose is to provide amateur radio operators a simple and easy to use f... Read more
SDR Receiver for IOS version 1.2.1 has been released
SDR Receiver demodulates and plays AM and FM signals received by an RTL-SDR, Airspy HF+ or SDRplay radio. Requires a radio and a host comput... Read more
Wizkers:Radio APP
Wizkers:Radio is a controller for various Amateur Radio equipments. At the moment, it supports several Elecraft radios and amplifiers, as well as the... Read more
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-90x60.jpg)
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-180x120.jpg)